| Ashtabula to Opwijk | 3,867.39 mi (6,223.96 km) |
| Ashtabula to Ostend | 3,810.25 mi (6,132.01 km) |
| Ashtabula to Oud-Heverlee | 3,890.35 mi (6,260.91 km) |
| Ashtabula to Oud-Turnhout | 3,887.55 mi (6,256.40 km) |
| Ashtabula to Oudenaarde | 3,848.20 mi (6,193.08 km) |
| Ashtabula to Oudenburg | 3,814.67 mi (6,139.12 km) |
| Ashtabula to Oupeye | 3,932.24 mi (6,328.33 km) |
| Ashtabula to Overijse | 3,886.71 mi (6,255.05 km) |
| Ashtabula to Overpelt | 3,907.38 mi (6,288.32 km) |
| Ashtabula to Paal | 3,903.54 mi (6,282.14 km) |
| Ashtabula to Peer | 3,911.44 mi (6,294.86 km) |
| Ashtabula to Pepinster | 3,943.52 mi (6,346.48 km) |
| Ashtabula to Peruwelz | 3,857.76 mi (6,208.46 km) |
| Ashtabula to Perwez | 3,902.68 mi (6,280.76 km) |
| Ashtabula to Philippeville | 3,905.66 mi (6,285.55 km) |
