| Gotse Delchev to Oignies | 1,163.85 mi (1,873.04 km) |
| Gotse Delchev to Oissel | 1,215.44 mi (1,956.07 km) |
| Gotse Delchev to Olivet | 1,151.92 mi (1,853.83 km) |
| Gotse Delchev to Ollioules | 917.95 mi (1,477.30 km) |
| Gotse Delchev to Olonne-sur-Mer | 1,305.92 mi (2,101.68 km) |
| Gotse Delchev to Oloron-Sainte-Marie | 1,242.94 mi (2,000.32 km) |
| Gotse Delchev to Onet Village | 1,083.00 mi (1,742.92 km) |
| Gotse Delchev to Onnaing | 1,137.29 mi (1,830.28 km) |
| Gotse Delchev to Orange | 972.59 mi (1,565.23 km) |
| Gotse Delchev to Orchies | 1,153.95 mi (1,857.10 km) |
| Gotse Delchev to Orleans | 1,152.19 mi (1,854.28 km) |
| Gotse Delchev to Orly | 1,146.76 mi (1,845.53 km) |
| Gotse Delchev to Ormesson-sur-Marne | 1,141.33 mi (1,836.80 km) |
| Gotse Delchev to Orsay | 1,154.75 mi (1,858.39 km) |
| Gotse Delchev to Orthez | 1,250.19 mi (2,011.99 km) |
