| North Walsham to Oerlinghausen | 312.45 mi (502.85 km) |
| North Walsham to Oestrich-Winkel | 345.10 mi (555.39 km) |
| North Walsham to Offenburg | 415.39 mi (668.51 km) |
| North Walsham to Oftersheim | 392.65 mi (631.91 km) |
| North Walsham to Ohrdruf | 421.87 mi (678.93 km) |
| North Walsham to Ohringen | 432.05 mi (695.32 km) |
| North Walsham to Olbernhau | 531.64 mi (855.58 km) |
| North Walsham to Olching | 539.91 mi (868.91 km) |
| North Walsham to Oldenburg | 284.79 mi (458.32 km) |
| North Walsham to Oldenburg in Holstein | 402.58 mi (647.89 km) |
| North Walsham to Olfen | 264.72 mi (426.03 km) |
| North Walsham to Olpe | 301.58 mi (485.34 km) |
| North Walsham to Olsberg | 317.85 mi (511.53 km) |
| North Walsham to Oranienburg | 494.65 mi (796.06 km) |
| North Walsham to Ortenberg | 370.42 mi (596.14 km) |
