| Gentilly to Oestrich-Winkel | 267.08 mi (429.82 km) |
| Gentilly to Offenburg | 256.23 mi (412.36 km) |
| Gentilly to Oftersheim | 284.87 mi (458.46 km) |
| Gentilly to Ohrdruf | 398.73 mi (641.70 km) |
| Gentilly to Ohringen | 325.29 mi (523.51 km) |
| Gentilly to Olbernhau | 506.58 mi (815.26 km) |
| Gentilly to Olching | 412.66 mi (664.11 km) |
| Gentilly to Oldenburg | 393.09 mi (632.61 km) |
| Gentilly to Oldenburg in Holstein | 526.80 mi (847.81 km) |
| Gentilly to Olfen | 299.49 mi (481.99 km) |
| Gentilly to Olpe | 287.66 mi (462.94 km) |
| Gentilly to Olsberg | 323.57 mi (520.73 km) |
| Gentilly to Oranienburg | 547.41 mi (880.98 km) |
| Gentilly to Ortenberg | 318.81 mi (513.07 km) |
| Gentilly to Oschatz | 506.84 mi (815.68 km) |
