| Grumo Appula to Octeville | 1,067.01 mi (1,717.18 km) |
| Grumo Appula to Oignies | 926.36 mi (1,490.83 km) |
| Grumo Appula to Oissel | 950.18 mi (1,529.17 km) |
| Grumo Appula to Olivet | 867.70 mi (1,396.43 km) |
| Grumo Appula to Ollioules | 575.11 mi (925.56 km) |
| Grumo Appula to Olonne-sur-Mer | 994.35 mi (1,600.26 km) |
| Grumo Appula to Oloron-Sainte-Marie | 898.14 mi (1,445.42 km) |
| Grumo Appula to Onet Village | 751.69 mi (1,209.73 km) |
| Grumo Appula to Onnaing | 902.40 mi (1,452.28 km) |
| Grumo Appula to Orange | 641.53 mi (1,032.45 km) |
| Grumo Appula to Orchies | 918.15 mi (1,477.62 km) |
| Grumo Appula to Orleans | 868.59 mi (1,397.87 km) |
| Grumo Appula to Orly | 878.33 mi (1,413.53 km) |
| Grumo Appula to Ormesson-sur-Marne | 874.27 mi (1,407.01 km) |
| Grumo Appula to Orsay | 884.62 mi (1,423.65 km) |
