| Heilbad Heiligenstadt to Olivenza | 1,209.71 mi (1,946.85 km) |
| Heilbad Heiligenstadt to Olot | 730.36 mi (1,175.40 km) |
| Heilbad Heiligenstadt to Onate | 822.38 mi (1,323.49 km) |
| Heilbad Heiligenstadt to Onda | 933.07 mi (1,501.64 km) |
| Heilbad Heiligenstadt to Onteniente | 1,011.20 mi (1,627.37 km) |
| Heilbad Heiligenstadt to Orihuela | 1,064.87 mi (1,713.75 km) |
| Heilbad Heiligenstadt to Osuna | 1,228.88 mi (1,977.69 km) |
| Heilbad Heiligenstadt to Ourense | 1,050.69 mi (1,690.92 km) |
| Heilbad Heiligenstadt to Oviedo | 927.52 mi (1,492.69 km) |
| Heilbad Heiligenstadt to Paiporta | 969.46 mi (1,560.19 km) |
| Heilbad Heiligenstadt to Pajara | 2,025.94 mi (3,260.44 km) |
| Heilbad Heiligenstadt to Palafolls | 756.35 mi (1,217.22 km) |
| Heilbad Heiligenstadt to Palafrugell | 731.89 mi (1,177.86 km) |
| Heilbad Heiligenstadt to Palamos | 737.12 mi (1,186.28 km) |
| Heilbad Heiligenstadt to Palencia | 946.42 mi (1,523.12 km) |
