| Oskaloosa to Nasaud | 5,205.55 mi (8,377.53 km) |
| Oskaloosa to Navodari | 5,493.21 mi (8,840.46 km) |
| Oskaloosa to Negresti-Oas | 5,144.60 mi (8,279.43 km) |
| Oskaloosa to Nehoiu | 5,364.84 mi (8,633.88 km) |
| Oskaloosa to Ocna Mures | 5,232.16 mi (8,420.35 km) |
| Oskaloosa to Odobesti | 5,368.35 mi (8,639.52 km) |
| Oskaloosa to Odorheiu Secuiesc | 5,283.30 mi (8,502.65 km) |
| Oskaloosa to Oltenita | 5,440.67 mi (8,755.91 km) |
| Oskaloosa to Onesti | 5,333.55 mi (8,583.51 km) |
| Oskaloosa to Oradea | 5,134.14 mi (8,262.61 km) |
| Oskaloosa to Orastie | 5,236.97 mi (8,428.09 km) |
| Oskaloosa to Oravita | 5,225.24 mi (8,409.22 km) |
| Oskaloosa to Orsova | 5,265.20 mi (8,473.52 km) |
| Oskaloosa to Otelu Rosu | 5,224.68 mi (8,408.31 km) |
| Oskaloosa to Otopeni | 5,398.14 mi (8,687.46 km) |
