| Drobeta-Turnu Severin to Noventa Vicentina | 544.93 mi (876.98 km) |
| Drobeta-Turnu Severin to Novi di Modena | 576.16 mi (927.23 km) |
| Drobeta-Turnu Severin to Novi Ligure | 680.18 mi (1,094.64 km) |
| Drobeta-Turnu Severin to Nuoro | 740.13 mi (1,191.12 km) |
| Drobeta-Turnu Severin to Occhiobello | 542.82 mi (873.59 km) |
| Drobeta-Turnu Severin to Oderzo | 500.41 mi (805.33 km) |
| Drobeta-Turnu Severin to Oggiono | 651.51 mi (1,048.50 km) |
| Drobeta-Turnu Severin to Olbia | 713.63 mi (1,148.47 km) |
| Drobeta-Turnu Severin to Oleggio | 685.78 mi (1,103.65 km) |
| Drobeta-Turnu Severin to Olgiate Comasco | 669.97 mi (1,078.20 km) |
| Drobeta-Turnu Severin to Olgiate Olona | 673.73 mi (1,084.26 km) |
| Drobeta-Turnu Severin to Omegna | 697.12 mi (1,121.91 km) |
| Drobeta-Turnu Severin to Opera | 657.48 mi (1,058.11 km) |
| Drobeta-Turnu Severin to Oppeano | 561.96 mi (904.38 km) |
| Drobeta-Turnu Severin to Orbassano | 740.06 mi (1,191.01 km) |
