| Sortland to Oerlinghausen | 1,177.16 mi (1,894.46 km) |
| Sortland to Oestrich-Winkel | 1,315.81 mi (2,117.60 km) |
| Sortland to Offenburg | 1,421.14 mi (2,287.11 km) |
| Sortland to Oftersheim | 1,355.34 mi (2,181.21 km) |
| Sortland to Ohrdruf | 1,244.54 mi (2,002.89 km) |
| Sortland to Ohringen | 1,362.10 mi (2,192.09 km) |
| Sortland to Olbernhau | 1,247.80 mi (2,008.13 km) |
| Sortland to Olching | 1,423.27 mi (2,290.53 km) |
| Sortland to Oldenburg | 1,099.78 mi (1,769.92 km) |
| Sortland to Oldenburg in Holstein | 1,005.31 mi (1,617.89 km) |
| Sortland to Olfen | 1,202.86 mi (1,935.82 km) |
| Sortland to Olpe | 1,247.44 mi (2,007.57 km) |
| Sortland to Olsberg | 1,220.46 mi (1,964.14 km) |
| Sortland to Oranienburg | 1,103.89 mi (1,776.55 km) |
| Sortland to Ortenberg | 1,285.15 mi (2,068.25 km) |
