| Le Grand-Saconnex to Oerlinghausen | 412.53 mi (663.90 km) |
| Le Grand-Saconnex to Oestrich-Winkel | 274.35 mi (441.52 km) |
| Le Grand-Saconnex to Offenburg | 176.18 mi (283.54 km) |
| Le Grand-Saconnex to Oftersheim | 245.13 mi (394.50 km) |
| Le Grand-Saconnex to Ohrdruf | 381.14 mi (613.38 km) |
| Le Grand-Saconnex to Ohringen | 258.31 mi (415.70 km) |
| Le Grand-Saconnex to Olbernhau | 450.40 mi (724.85 km) |
| Le Grand-Saconnex to Olching | 279.23 mi (449.38 km) |
| Le Grand-Saconnex to Oldenburg | 486.53 mi (783.00 km) |
| Le Grand-Saconnex to Oldenburg in Holstein | 595.45 mi (958.28 km) |
| Le Grand-Saconnex to Olfen | 383.18 mi (616.67 km) |
| Le Grand-Saconnex to Olpe | 339.65 mi (546.61 km) |
| Le Grand-Saconnex to Olsberg | 369.53 mi (594.69 km) |
| Le Grand-Saconnex to Oranienburg | 551.79 mi (888.02 km) |
| Le Grand-Saconnex to Ortenberg | 315.18 mi (507.24 km) |
