| Gross-Enzersdorf to Novi di Modena | 352.33 mi (567.02 km) |
| Gross-Enzersdorf to Novi Ligure | 438.98 mi (706.47 km) |
| Gross-Enzersdorf to Nuoro | 650.66 mi (1,047.13 km) |
| Gross-Enzersdorf to Occhiobello | 327.03 mi (526.30 km) |
| Gross-Enzersdorf to Oderzo | 253.91 mi (408.63 km) |
| Gross-Enzersdorf to Oggiono | 377.98 mi (608.30 km) |
| Gross-Enzersdorf to Olbia | 610.73 mi (982.88 km) |
| Gross-Enzersdorf to Oleggio | 414.41 mi (666.92 km) |
| Gross-Enzersdorf to Olgiate Comasco | 394.24 mi (634.47 km) |
| Gross-Enzersdorf to Olgiate Olona | 402.70 mi (648.09 km) |
| Gross-Enzersdorf to Omegna | 415.38 mi (668.48 km) |
| Gross-Enzersdorf to Opera | 397.52 mi (639.75 km) |
| Gross-Enzersdorf to Oppeano | 323.44 mi (520.53 km) |
| Gross-Enzersdorf to Orbassano | 480.95 mi (774.01 km) |
| Gross-Enzersdorf to Orbetello | 474.77 mi (764.07 km) |
