| Cookstown to Octeville | 408.56 mi (657.52 km) |
| Cookstown to Oignies | 499.96 mi (804.61 km) |
| Cookstown to Oissel | 494.90 mi (796.46 km) |
| Cookstown to Olivet | 598.61 mi (963.36 km) |
| Cookstown to Ollioules | 976.31 mi (1,571.22 km) |
| Cookstown to Olonne-sur-Mer | 600.98 mi (967.18 km) |
| Cookstown to Oloron-Sainte-Marie | 838.16 mi (1,348.89 km) |
| Cookstown to Onet Village | 823.13 mi (1,324.71 km) |
| Cookstown to Onnaing | 524.27 mi (843.73 km) |
| Cookstown to Orange | 890.41 mi (1,432.97 km) |
| Cookstown to Orchies | 508.32 mi (818.07 km) |
| Cookstown to Orleans | 596.66 mi (960.22 km) |
| Cookstown to Orly | 564.37 mi (908.27 km) |
| Cookstown to Ormesson-sur-Marne | 566.49 mi (911.67 km) |
| Cookstown to Orsay | 560.80 mi (902.51 km) |
