| Holladay to Octeville | 4,900.12 mi (7,885.98 km) |
| Holladay to Oignies | 5,012.64 mi (8,067.06 km) |
| Holladay to Oissel | 5,004.51 mi (8,053.99 km) |
| Holladay to Olivet | 5,101.44 mi (8,209.97 km) |
| Holladay to Ollioules | 5,467.76 mi (8,799.51 km) |
| Holladay to Olonne-sur-Mer | 5,037.02 mi (8,106.31 km) |
| Holladay to Oloron-Sainte-Marie | 5,235.07 mi (8,425.04 km) |
| Holladay to Onet Village | 5,293.84 mi (8,519.62 km) |
| Holladay to Onnaing | 5,035.68 mi (8,104.15 km) |
| Holladay to Orange | 5,382.00 mi (8,661.50 km) |
| Holladay to Orchies | 5,020.32 mi (8,079.42 km) |
| Holladay to Orleans | 5,099.88 mi (8,207.46 km) |
| Holladay to Orly | 5,075.74 mi (8,168.61 km) |
| Holladay to Ormesson-sur-Marne | 5,078.51 mi (8,173.07 km) |
| Holladay to Orsay | 5,071.17 mi (8,161.25 km) |
