| Arcata to Opwijk | 5,367.60 mi (8,638.31 km) |
| Arcata to Ostend | 5,319.80 mi (8,561.38 km) |
| Arcata to Oud-Heverlee | 5,387.68 mi (8,670.64 km) |
| Arcata to Oud-Turnhout | 5,369.29 mi (8,641.04 km) |
| Arcata to Oudenaarde | 5,358.47 mi (8,623.62 km) |
| Arcata to Oudenburg | 5,324.26 mi (8,568.57 km) |
| Arcata to Oupeye | 5,420.14 mi (8,722.87 km) |
| Arcata to Overijse | 5,386.92 mi (8,669.41 km) |
| Arcata to Overpelt | 5,386.05 mi (8,668.00 km) |
| Arcata to Paal | 5,389.56 mi (8,673.65 km) |
| Arcata to Peer | 5,391.65 mi (8,677.03 km) |
| Arcata to Pepinster | 5,432.53 mi (8,742.81 km) |
| Arcata to Peruwelz | 5,376.22 mi (8,652.19 km) |
| Arcata to Perwez | 5,403.13 mi (8,695.50 km) |
| Arcata to Philippeville | 5,419.50 mi (8,721.84 km) |
