| Madison Heights to Octeville | 3,741.36 mi (6,021.13 km) |
| Madison Heights to Oignies | 3,898.33 mi (6,273.76 km) |
| Madison Heights to Oissel | 3,859.81 mi (6,211.76 km) |
| Madison Heights to Olivet | 3,940.74 mi (6,342.00 km) |
| Madison Heights to Ollioules | 4,273.02 mi (6,876.76 km) |
| Madison Heights to Olonne-sur-Mer | 3,832.52 mi (6,167.85 km) |
| Madison Heights to Oloron-Sainte-Marie | 3,994.56 mi (6,428.63 km) |
| Madison Heights to Onet Village | 4,090.50 mi (6,583.03 km) |
| Madison Heights to Onnaing | 3,924.44 mi (6,315.77 km) |
| Madison Heights to Orange | 4,192.04 mi (6,746.43 km) |
| Madison Heights to Orchies | 3,907.88 mi (6,289.12 km) |
| Madison Heights to Orleans | 3,939.79 mi (6,340.48 km) |
| Madison Heights to Orly | 3,931.27 mi (6,326.77 km) |
| Madison Heights to Ormesson-sur-Marne | 3,935.69 mi (6,333.88 km) |
| Madison Heights to Orsay | 3,924.57 mi (6,315.99 km) |
