| Elk City to Opwijk | 4,891.35 mi (7,871.87 km) |
| Elk City to Ostend | 4,835.48 mi (7,781.95 km) |
| Elk City to Oud-Heverlee | 4,914.03 mi (7,908.36 km) |
| Elk City to Oud-Turnhout | 4,907.15 mi (7,897.29 km) |
| Elk City to Oudenaarde | 4,874.35 mi (7,844.51 km) |
| Elk City to Oudenburg | 4,840.00 mi (7,789.22 km) |
| Elk City to Oupeye | 4,954.33 mi (7,973.22 km) |
| Elk City to Overijse | 4,911.05 mi (7,903.58 km) |
| Elk City to Overpelt | 4,926.58 mi (7,928.57 km) |
| Elk City to Paal | 4,924.57 mi (7,925.33 km) |
| Elk City to Peer | 4,931.13 mi (7,935.89 km) |
| Elk City to Pepinster | 4,966.11 mi (7,992.18 km) |
| Elk City to Peruwelz | 4,886.16 mi (7,863.52 km) |
| Elk City to Perwez | 4,927.40 mi (7,929.88 km) |
| Elk City to Philippeville | 4,933.81 mi (7,940.20 km) |
