| Kalamazoo to Octeville | 3,850.83 mi (6,197.31 km) |
| Kalamazoo to Oignies | 4,004.75 mi (6,445.03 km) |
| Kalamazoo to Oissel | 3,968.49 mi (6,386.67 km) |
| Kalamazoo to Olivet | 4,050.84 mi (6,519.20 km) |
| Kalamazoo to Ollioules | 4,386.33 mi (7,059.11 km) |
| Kalamazoo to Olonne-sur-Mer | 3,945.68 mi (6,349.97 km) |
| Kalamazoo to Oloron-Sainte-Marie | 4,110.65 mi (6,615.45 km) |
| Kalamazoo to Onet Village | 4,204.09 mi (6,765.83 km) |
| Kalamazoo to Onnaing | 4,030.69 mi (6,486.77 km) |
| Kalamazoo to Orange | 4,304.85 mi (6,927.98 km) |
| Kalamazoo to Orchies | 4,014.18 mi (6,460.19 km) |
| Kalamazoo to Orleans | 4,049.84 mi (6,517.59 km) |
| Kalamazoo to Orly | 4,040.11 mi (6,501.93 km) |
| Kalamazoo to Ormesson-sur-Marne | 4,044.41 mi (6,508.86 km) |
| Kalamazoo to Orsay | 4,033.56 mi (6,491.39 km) |
