| Terre Haute to Octeville | 4,046.78 mi (6,512.67 km) |
| Terre Haute to Oignies | 4,204.40 mi (6,766.33 km) |
| Terre Haute to Oissel | 4,165.46 mi (6,703.66 km) |
| Terre Haute to Olivet | 4,245.93 mi (6,833.16 km) |
| Terre Haute to Ollioules | 4,576.51 mi (7,365.18 km) |
| Terre Haute to Olonne-sur-Mer | 4,136.18 mi (6,656.54 km) |
| Terre Haute to Oloron-Sainte-Marie | 4,295.79 mi (6,913.40 km) |
| Terre Haute to Onet Village | 4,393.83 mi (7,071.19 km) |
| Terre Haute to Onnaing | 4,230.53 mi (6,808.37 km) |
| Terre Haute to Orange | 4,495.86 mi (7,235.39 km) |
| Terre Haute to Orchies | 4,213.96 mi (6,781.71 km) |
| Terre Haute to Orleans | 4,245.00 mi (6,831.66 km) |
| Terre Haute to Orly | 4,236.87 mi (6,818.58 km) |
| Terre Haute to Ormesson-sur-Marne | 4,241.32 mi (6,825.75 km) |
| Terre Haute to Orsay | 4,230.13 mi (6,807.74 km) |
