| Cadillac to Octeville | 3,759.63 mi (6,050.54 km) |
| Cadillac to Oignies | 3,908.99 mi (6,290.91 km) |
| Cadillac to Oissel | 3,876.00 mi (6,237.82 km) |
| Cadillac to Olivet | 3,960.47 mi (6,373.76 km) |
| Cadillac to Ollioules | 4,301.11 mi (6,921.97 km) |
| Cadillac to Olonne-sur-Mer | 3,860.55 mi (6,212.95 km) |
| Cadillac to Oloron-Sainte-Marie | 4,031.01 mi (6,487.28 km) |
| Cadillac to Onet Village | 4,119.52 mi (6,629.72 km) |
| Cadillac to Onnaing | 3,934.68 mi (6,332.25 km) |
| Cadillac to Orange | 4,218.80 mi (6,789.50 km) |
| Cadillac to Orchies | 3,918.24 mi (6,305.80 km) |
| Cadillac to Orleans | 3,959.40 mi (6,372.03 km) |
| Cadillac to Orly | 3,947.80 mi (6,353.38 km) |
| Cadillac to Ormesson-sur-Marne | 3,951.93 mi (6,360.02 km) |
| Cadillac to Orsay | 3,941.48 mi (6,343.20 km) |
