| Ramsey to Oerlinghausen | 4,288.28 mi (6,901.32 km) |
| Ramsey to Oestrich-Winkel | 4,351.35 mi (7,002.83 km) |
| Ramsey to Offenburg | 4,416.46 mi (7,107.61 km) |
| Ramsey to Oftersheim | 4,399.19 mi (7,079.82 km) |
| Ramsey to Ohrdruf | 4,407.05 mi (7,092.46 km) |
| Ramsey to Ohringen | 4,438.34 mi (7,142.82 km) |
| Ramsey to Olbernhau | 4,499.87 mi (7,241.84 km) |
| Ramsey to Olching | 4,546.18 mi (7,316.38 km) |
| Ramsey to Oldenburg | 4,222.80 mi (6,795.94 km) |
| Ramsey to Oldenburg in Holstein | 4,258.20 mi (6,852.91 km) |
| Ramsey to Olfen | 4,256.17 mi (6,849.64 km) |
| Ramsey to Olpe | 4,301.45 mi (6,922.52 km) |
| Ramsey to Olsberg | 4,308.93 mi (6,934.54 km) |
| Ramsey to Oranienburg | 4,400.95 mi (7,082.65 km) |
| Ramsey to Ortenberg | 4,371.77 mi (7,035.68 km) |
