| Kalamazoo to Opwijk | 4,033.17 mi (6,490.77 km) |
| Kalamazoo to Ostend | 3,976.57 mi (6,399.67 km) |
| Kalamazoo to Oud-Heverlee | 4,056.03 mi (6,527.55 km) |
| Kalamazoo to Oud-Turnhout | 4,051.25 mi (6,519.85 km) |
| Kalamazoo to Oudenaarde | 4,015.03 mi (6,461.57 km) |
| Kalamazoo to Oudenburg | 3,981.04 mi (6,406.87 km) |
| Kalamazoo to Oupeye | 4,097.22 mi (6,593.84 km) |
| Kalamazoo to Overijse | 4,052.71 mi (6,522.21 km) |
| Kalamazoo to Overpelt | 4,070.92 mi (6,551.52 km) |
| Kalamazoo to Paal | 4,067.96 mi (6,546.75 km) |
| Kalamazoo to Peer | 4,075.23 mi (6,558.44 km) |
| Kalamazoo to Pepinster | 4,108.76 mi (6,612.41 km) |
| Kalamazoo to Peruwelz | 4,025.72 mi (6,478.78 km) |
| Kalamazoo to Perwez | 4,068.89 mi (6,548.25 km) |
| Kalamazoo to Philippeville | 4,073.57 mi (6,555.78 km) |
