| Iselin to Octeville | 3,458.64 mi (5,566.15 km) |
| Iselin to Oignies | 3,632.07 mi (5,845.25 km) |
| Iselin to Oissel | 3,580.77 mi (5,762.70 km) |
| Iselin to Olivet | 3,652.62 mi (5,878.33 km) |
| Iselin to Ollioules | 3,963.02 mi (6,377.86 km) |
| Iselin to Olonne-sur-Mer | 3,526.46 mi (5,675.29 km) |
| Iselin to Oloron-Sainte-Marie | 3,668.48 mi (5,903.85 km) |
| Iselin to Onet Village | 3,779.95 mi (6,083.24 km) |
| Iselin to Onnaing | 3,658.90 mi (5,888.43 km) |
| Iselin to Orange | 3,885.65 mi (6,253.35 km) |
| Iselin to Orchies | 3,642.21 mi (5,861.57 km) |
| Iselin to Orleans | 3,651.97 mi (5,877.28 km) |
| Iselin to Orly | 3,650.71 mi (5,875.25 km) |
| Iselin to Ormesson-sur-Marne | 3,655.77 mi (5,883.40 km) |
| Iselin to Orsay | 3,643.20 mi (5,863.17 km) |
