| Roudnice nad Labem to Olivenza | 1,320.09 mi (2,124.48 km) |
| Roudnice nad Labem to Olot | 798.28 mi (1,284.70 km) |
| Roudnice nad Labem to Onate | 937.36 mi (1,508.54 km) |
| Roudnice nad Labem to Onda | 1,007.90 mi (1,622.05 km) |
| Roudnice nad Labem to Onteniente | 1,081.07 mi (1,739.82 km) |
| Roudnice nad Labem to Orihuela | 1,132.83 mi (1,823.12 km) |
| Roudnice nad Labem to Osuna | 1,319.99 mi (2,124.32 km) |
| Roudnice nad Labem to Ourense | 1,187.14 mi (1,910.51 km) |
| Roudnice nad Labem to Oviedo | 1,062.83 mi (1,710.46 km) |
| Roudnice nad Labem to Paiporta | 1,041.81 mi (1,676.64 km) |
| Roudnice nad Labem to Pajara | 2,124.75 mi (3,419.45 km) |
| Roudnice nad Labem to Palafolls | 817.13 mi (1,315.05 km) |
| Roudnice nad Labem to Palafrugell | 790.51 mi (1,272.20 km) |
| Roudnice nad Labem to Palamos | 795.49 mi (1,280.21 km) |
| Roudnice nad Labem to Palencia | 1,065.29 mi (1,714.42 km) |
