| Katrineholm to Nasaud | 876.56 mi (1,410.69 km) |
| Katrineholm to Navodari | 1,141.05 mi (1,836.35 km) |
| Katrineholm to Negresti-Oas | 823.40 mi (1,325.13 km) |
| Katrineholm to Nehoiu | 1,032.91 mi (1,662.30 km) |
| Katrineholm to Ocna Mures | 927.00 mi (1,491.86 km) |
| Katrineholm to Odobesti | 1,019.79 mi (1,641.19 km) |
| Katrineholm to Odorheiu Secuiesc | 953.91 mi (1,535.17 km) |
| Katrineholm to Oltenita | 1,120.70 mi (1,803.59 km) |
| Katrineholm to Onesti | 982.92 mi (1,581.86 km) |
| Katrineholm to Oradea | 856.95 mi (1,379.14 km) |
| Katrineholm to Orastie | 953.99 mi (1,535.30 km) |
| Katrineholm to Oravita | 991.50 mi (1,595.67 km) |
| Katrineholm to Orsova | 1,020.04 mi (1,641.60 km) |
| Katrineholm to Otelu Rosu | 966.14 mi (1,554.85 km) |
| Katrineholm to Otopeni | 1,081.22 mi (1,740.06 km) |
