| Hlohovec to Noventa Vicentina | 367.40 mi (591.27 km) |
| Hlohovec to Novi di Modena | 408.32 mi (657.12 km) |
| Hlohovec to Novi Ligure | 497.26 mi (800.26 km) |
| Hlohovec to Nuoro | 698.70 mi (1,124.45 km) |
| Hlohovec to Occhiobello | 381.72 mi (614.32 km) |
| Hlohovec to Oderzo | 309.65 mi (498.33 km) |
| Hlohovec to Oggiono | 437.34 mi (703.84 km) |
| Hlohovec to Olbia | 659.60 mi (1,061.52 km) |
| Hlohovec to Oleggio | 473.85 mi (762.59 km) |
| Hlohovec to Olgiate Comasco | 453.74 mi (730.23 km) |
| Hlohovec to Olgiate Olona | 462.09 mi (743.67 km) |
| Hlohovec to Omegna | 475.07 mi (764.56 km) |
| Hlohovec to Opera | 456.45 mi (734.59 km) |
| Hlohovec to Oppeano | 380.13 mi (611.76 km) |
| Hlohovec to Orbassano | 540.25 mi (869.45 km) |
