| Romanshorn to Irun | 613.24 mi (986.92 km) |
| Romanshorn to Isla-Cristina | 1,108.19 mi (1,783.45 km) |
| Romanshorn to Jaca | 594.04 mi (956.02 km) |
| Romanshorn to Jaen | 947.77 mi (1,525.29 km) |
| Romanshorn to Jerez de la Frontera | 1,089.72 mi (1,753.74 km) |
| Romanshorn to Jerez de los Caballeros | 1,032.49 mi (1,661.64 km) |
| Romanshorn to Jodar | 929.48 mi (1,495.85 km) |
| Romanshorn to Jumilla | 826.13 mi (1,329.53 km) |
| Romanshorn to La Algaba | 1,045.38 mi (1,682.38 km) |
| Romanshorn to La Baneza | 828.39 mi (1,333.16 km) |
| Romanshorn to La Carlota | 994.79 mi (1,600.96 km) |
| Romanshorn to La Carolina | 916.13 mi (1,474.36 km) |
| Romanshorn to La Corredoria | 788.33 mi (1,268.70 km) |
| Romanshorn to La Eliana | 740.58 mi (1,191.84 km) |
| Romanshorn to La Escala | 484.12 mi (779.12 km) |
