| Illescas to Noventa Vicentina | 856.22 mi (1,377.96 km) |
| Illescas to Novi di Modena | 818.31 mi (1,316.94 km) |
| Illescas to Novi Ligure | 717.89 mi (1,155.33 km) |
| Illescas to Nuoro | 694.17 mi (1,117.16 km) |
| Illescas to Occhiobello | 850.56 mi (1,368.84 km) |
| Illescas to Oderzo | 911.45 mi (1,466.84 km) |
| Illescas to Oggiono | 771.74 mi (1,242.00 km) |
| Illescas to Olbia | 701.84 mi (1,129.50 km) |
| Illescas to Oleggio | 735.11 mi (1,183.05 km) |
| Illescas to Olgiate Comasco | 755.17 mi (1,215.34 km) |
| Illescas to Olgiate Olona | 746.96 mi (1,202.11 km) |
| Illescas to Omegna | 734.31 mi (1,181.76 km) |
| Illescas to Opera | 754.21 mi (1,213.79 km) |
| Illescas to Oppeano | 840.58 mi (1,352.78 km) |
| Illescas to Orbassano | 669.16 mi (1,076.91 km) |
