| Holt to Octeville | 3,792.87 mi (6,104.04 km) |
| Holt to Oignies | 3,947.47 mi (6,352.84 km) |
| Holt to Oissel | 3,910.71 mi (6,293.67 km) |
| Holt to Olivet | 3,992.76 mi (6,425.73 km) |
| Holt to Ollioules | 4,327.65 mi (6,964.69 km) |
| Holt to Olonne-sur-Mer | 3,887.03 mi (6,255.57 km) |
| Holt to Oloron-Sainte-Marie | 4,051.54 mi (6,520.33 km) |
| Holt to Onet Village | 4,145.37 mi (6,671.32 km) |
| Holt to Onnaing | 3,973.45 mi (6,394.65 km) |
| Holt to Orange | 4,246.26 mi (6,833.69 km) |
| Holt to Orchies | 3,956.92 mi (6,368.05 km) |
| Holt to Orleans | 3,991.77 mi (6,424.14 km) |
| Holt to Orly | 3,982.29 mi (6,408.88 km) |
| Holt to Ormesson-sur-Marne | 3,986.62 mi (6,415.85 km) |
| Holt to Orsay | 3,975.71 mi (6,398.29 km) |
