| Clinton to Opwijk | 3,854.48 mi (6,203.18 km) |
| Clinton to Ostend | 3,796.85 mi (6,110.44 km) |
| Clinton to Oud-Heverlee | 3,877.45 mi (6,240.16 km) |
| Clinton to Oud-Turnhout | 3,877.92 mi (6,240.90 km) |
| Clinton to Oudenaarde | 3,833.68 mi (6,169.72 km) |
| Clinton to Oudenburg | 3,801.14 mi (6,117.35 km) |
| Clinton to Oupeye | 3,920.24 mi (6,309.02 km) |
| Clinton to Overijse | 3,873.31 mi (6,233.50 km) |
| Clinton to Overpelt | 3,897.88 mi (6,273.03 km) |
| Clinton to Paal | 3,892.64 mi (6,264.60 km) |
| Clinton to Peer | 3,901.53 mi (6,278.90 km) |
| Clinton to Pepinster | 3,931.01 mi (6,326.35 km) |
| Clinton to Peruwelz | 3,841.30 mi (6,181.97 km) |
| Clinton to Perwez | 3,888.84 mi (6,258.48 km) |
| Clinton to Philippeville | 3,888.97 mi (6,258.70 km) |
