| Staines-upon-Thames to Oerlinghausen | 394.46 mi (634.83 km) |
| Staines-upon-Thames to Oestrich-Winkel | 385.03 mi (619.65 km) |
| Staines-upon-Thames to Offenburg | 427.38 mi (687.81 km) |
| Staines-upon-Thames to Oftersheim | 424.84 mi (683.71 km) |
| Staines-upon-Thames to Ohrdruf | 488.83 mi (786.69 km) |
| Staines-upon-Thames to Ohringen | 467.41 mi (752.23 km) |
| Staines-upon-Thames to Olbernhau | 602.75 mi (970.03 km) |
| Staines-upon-Thames to Olching | 571.84 mi (920.29 km) |
| Staines-upon-Thames to Oldenburg | 386.91 mi (622.68 km) |
| Staines-upon-Thames to Oldenburg in Holstein | 514.11 mi (827.38 km) |
| Staines-upon-Thames to Olfen | 339.38 mi (546.18 km) |
| Staines-upon-Thames to Olpe | 362.01 mi (582.60 km) |
| Staines-upon-Thames to Olsberg | 387.58 mi (623.74 km) |
| Staines-upon-Thames to Oranienburg | 589.73 mi (949.07 km) |
| Staines-upon-Thames to Ortenberg | 423.18 mi (681.05 km) |
