| Key Biscayne to Opwijk | 4,621.07 mi (7,436.90 km) |
| Key Biscayne to Ostend | 4,563.68 mi (7,344.53 km) |
| Key Biscayne to Oud-Heverlee | 4,643.67 mi (7,473.27 km) |
| Key Biscayne to Oud-Turnhout | 4,649.40 mi (7,482.49 km) |
| Key Biscayne to Oudenaarde | 4,598.04 mi (7,399.83 km) |
| Key Biscayne to Oudenburg | 4,567.69 mi (7,350.99 km) |
| Key Biscayne to Oupeye | 4,687.17 mi (7,543.27 km) |
| Key Biscayne to Overijse | 4,638.79 mi (7,465.41 km) |
| Key Biscayne to Overpelt | 4,669.23 mi (7,514.40 km) |
| Key Biscayne to Paal | 4,661.82 mi (7,502.48 km) |
| Key Biscayne to Peer | 4,672.15 mi (7,519.10 km) |
| Key Biscayne to Pepinster | 4,696.93 mi (7,558.97 km) |
| Key Biscayne to Peruwelz | 4,602.32 mi (7,406.71 km) |
| Key Biscayne to Perwez | 4,653.31 mi (7,488.78 km) |
| Key Biscayne to Philippeville | 4,648.76 mi (7,481.45 km) |
