| Ithaca to Opwijk | 3,673.72 mi (5,912.28 km) |
| Ithaca to Ostend | 3,616.34 mi (5,819.94 km) |
| Ithaca to Oud-Heverlee | 3,696.71 mi (5,949.27 km) |
| Ithaca to Oud-Turnhout | 3,695.16 mi (5,946.78 km) |
| Ithaca to Oudenaarde | 3,653.90 mi (5,880.39 km) |
| Ithaca to Oudenburg | 3,620.72 mi (5,826.98 km) |
| Ithaca to Oupeye | 3,738.98 mi (6,017.31 km) |
| Ithaca to Overijse | 3,692.88 mi (5,943.11 km) |
| Ithaca to Overpelt | 3,715.06 mi (5,978.81 km) |
| Ithaca to Paal | 3,710.68 mi (5,971.76 km) |
| Ithaca to Peer | 3,718.97 mi (5,985.10 km) |
| Ithaca to Pepinster | 3,750.08 mi (6,035.16 km) |
| Ithaca to Peruwelz | 3,662.74 mi (5,894.62 km) |
| Ithaca to Perwez | 3,708.69 mi (5,968.57 km) |
| Ithaca to Philippeville | 3,710.61 mi (5,971.64 km) |
