| Hartsville to Nasaud | 5,242.17 mi (8,436.46 km) |
| Hartsville to Navodari | 5,529.11 mi (8,898.24 km) |
| Hartsville to Negresti-Oas | 5,181.12 mi (8,338.20 km) |
| Hartsville to Nehoiu | 5,397.10 mi (8,685.79 km) |
| Hartsville to Ocna Mures | 5,260.83 mi (8,466.49 km) |
| Hartsville to Odobesti | 5,406.38 mi (8,700.73 km) |
| Hartsville to Odorheiu Secuiesc | 5,317.38 mi (8,557.50 km) |
| Hartsville to Oltenita | 5,466.52 mi (8,797.51 km) |
| Hartsville to Onesti | 5,373.37 mi (8,647.60 km) |
| Hartsville to Oradea | 5,159.52 mi (8,303.44 km) |
| Hartsville to Orastie | 5,259.47 mi (8,464.31 km) |
| Hartsville to Oravita | 5,236.29 mi (8,426.99 km) |
| Hartsville to Orsova | 5,277.11 mi (8,492.68 km) |
| Hartsville to Otelu Rosu | 5,241.57 mi (8,435.50 km) |
| Hartsville to Otopeni | 5,424.40 mi (8,729.73 km) |
