Where is Phan?

Amphoe Pa Daet22.6 km · 14.0 mi → Mae Lao22.9 km · 14.2 mi → Pa Daet24.3 km · 15.1 mi → Mae Suai32.8 km · 20.4 mi → Mueang Chiang Rai37.1 km · 23.1 mi → Chiang Rai37.7 km · 23.4 mi → Wiang Chai40.0 km · 24.9 mi → Wiang Pa Pao45.3 km · 28.2 mi → Thoeng46.2 km · 28.7 mi → Phaya Mengrai52.6 km · 32.7 mi → Wiang Chiang Rung58.9 km · 36.6 mi → Khun Tan62.8 km · 39.0 mi →

Amphoe Chiang Khong20.13587, 100.36527 → Amphoe Chiang Saen20.23572, 100.15537 → Amphoe Mae Chan20.19910, 99.88468 → Amphoe Mae Sai20.36500, 99.92604 → Amphoe Pa Daet19.50643, 99.97615 → Chiang Khong20.26125, 100.40461 →