| Ruston to Oerlinghausen | 4,921.49 mi (7,920.37 km) |
| Ruston to Oestrich-Winkel | 4,962.54 mi (7,986.44 km) |
| Ruston to Offenburg | 5,012.07 mi (8,066.15 km) |
| Ruston to Oftersheim | 5,006.74 mi (8,057.57 km) |
| Ruston to Ohrdruf | 5,037.96 mi (8,107.82 km) |
| Ruston to Ohringen | 5,048.33 mi (8,124.50 km) |
| Ruston to Olbernhau | 5,140.46 mi (8,272.77 km) |
| Ruston to Olching | 5,154.98 mi (8,296.14 km) |
| Ruston to Oldenburg | 4,865.60 mi (7,830.42 km) |
| Ruston to Oldenburg in Holstein | 4,921.76 mi (7,920.81 km) |
| Ruston to Olfen | 4,881.78 mi (7,856.46 km) |
| Ruston to Olpe | 4,921.99 mi (7,921.18 km) |
| Ruston to Olsberg | 4,935.41 mi (7,942.78 km) |
| Ruston to Oranienburg | 5,059.67 mi (8,142.75 km) |
| Ruston to Ortenberg | 4,991.01 mi (8,032.25 km) |
