| Tatvan to Oerlinghausen | 1,857.83 mi (2,989.89 km) |
| Tatvan to Oestrich-Winkel | 1,852.05 mi (2,980.59 km) |
| Tatvan to Offenburg | 1,835.42 mi (2,953.82 km) |
| Tatvan to Oftersheim | 1,817.53 mi (2,925.03 km) |
| Tatvan to Ohrdruf | 1,749.87 mi (2,816.14 km) |
| Tatvan to Ohringen | 1,774.73 mi (2,856.16 km) |
| Tatvan to Olbernhau | 1,638.40 mi (2,636.75 km) |
| Tatvan to Olching | 1,679.27 mi (2,702.53 km) |
| Tatvan to Oldenburg | 1,900.45 mi (3,058.48 km) |
| Tatvan to Oldenburg in Holstein | 1,827.22 mi (2,940.62 km) |
| Tatvan to Olfen | 1,905.89 mi (3,067.23 km) |
| Tatvan to Olpe | 1,875.08 mi (3,017.65 km) |
| Tatvan to Olsberg | 1,853.65 mi (2,983.17 km) |
| Tatvan to Oranienburg | 1,695.69 mi (2,728.94 km) |
| Tatvan to Ortenberg | 1,812.14 mi (2,916.36 km) |
