| Groesbeek to Noventa Vicentina | 516.69 mi (831.54 km) |
| Groesbeek to Novi di Modena | 527.60 mi (849.08 km) |
| Groesbeek to Novi Ligure | 502.63 mi (808.90 km) |
| Groesbeek to Nuoro | 808.63 mi (1,301.37 km) |
| Groesbeek to Occhiobello | 540.00 mi (869.05 km) |
| Groesbeek to Oderzo | 510.62 mi (821.76 km) |
| Groesbeek to Oggiono | 442.65 mi (712.38 km) |
| Groesbeek to Olbia | 769.59 mi (1,238.54 km) |
| Groesbeek to Oleggio | 444.54 mi (715.41 km) |
| Groesbeek to Olgiate Comasco | 436.86 mi (703.05 km) |
| Groesbeek to Olgiate Olona | 445.61 mi (717.13 km) |
| Groesbeek to Omegna | 423.17 mi (681.03 km) |
| Groesbeek to Opera | 466.84 mi (751.31 km) |
| Groesbeek to Oppeano | 507.95 mi (817.47 km) |
| Groesbeek to Orbassano | 473.89 mi (762.65 km) |
