| Senec to Nowy Dwor Mazowiecki | 325.79 mi (524.32 km) |
| Senec to Nowy Sacz | 178.40 mi (287.11 km) |
| Senec to Nowy Targ | 146.94 mi (236.47 km) |
| Senec to Nowy Tomysl | 288.59 mi (464.44 km) |
| Senec to Nysa | 155.66 mi (250.51 km) |
| Senec to Oborniki | 307.23 mi (494.44 km) |
| Senec to Oborniki Slaskie | 213.94 mi (344.31 km) |
| Senec to Olawa | 187.60 mi (301.91 km) |
| Senec to Olecko | 458.31 mi (737.58 km) |
| Senec to Olesnica | 205.98 mi (331.49 km) |
| Senec to Olesno | 189.09 mi (304.31 km) |
| Senec to Olkusz | 172.73 mi (277.99 km) |
| Senec to Olsztyn | 406.66 mi (654.45 km) |
| Senec to Opalenica | 285.85 mi (460.02 km) |
| Senec to Opoczno | 253.33 mi (407.69 km) |
