| Arcata to Nasaud | 6,046.89 mi (9,731.52 km) |
| Arcata to Navodari | 6,312.10 mi (10,158.34 km) |
| Arcata to Negresti-Oas | 5,991.41 mi (9,642.25 km) |
| Arcata to Nehoiu | 6,204.82 mi (9,985.70 km) |
| Arcata to Ocna Mures | 6,093.19 mi (9,806.03 km) |
| Arcata to Odobesti | 6,191.88 mi (9,964.87 km) |
| Arcata to Odorheiu Secuiesc | 6,125.08 mi (9,857.36 km) |
| Arcata to Oltenita | 6,292.10 mi (10,126.16 km) |
| Arcata to Onesti | 6,155.03 mi (9,905.56 km) |
| Arcata to Oradea | 6,012.36 mi (9,675.97 km) |
| Arcata to Orastie | 6,114.48 mi (9,840.31 km) |
| Arcata to Oravita | 6,134.68 mi (9,872.81 km) |
| Arcata to Orsova | 6,169.08 mi (9,928.18 km) |
| Arcata to Otelu Rosu | 6,118.41 mi (9,846.63 km) |
| Arcata to Otopeni | 6,251.95 mi (10,061.54 km) |
