| Romanshorn to Lapua | 1,186.75 mi (1,909.90 km) |
| Romanshorn to Laukaa | 1,211.02 mi (1,948.94 km) |
| Romanshorn to Lauritsala | 1,195.64 mi (1,924.20 km) |
| Romanshorn to Lempaala | 1,106.91 mi (1,781.40 km) |
| Romanshorn to Leppavirta | 1,253.81 mi (2,017.81 km) |
| Romanshorn to Lieksa | 1,343.62 mi (2,162.35 km) |
| Romanshorn to Lieto | 1,035.56 mi (1,666.58 km) |
| Romanshorn to Liminka | 1,333.07 mi (2,145.36 km) |
| Romanshorn to Liperi | 1,291.64 mi (2,078.70 km) |
| Romanshorn to Lohja | 1,056.32 mi (1,699.98 km) |
| Romanshorn to Loimaa | 1,067.25 mi (1,717.58 km) |
| Romanshorn to Loviisa | 1,117.06 mi (1,797.73 km) |
| Romanshorn to Mantsala | 1,104.36 mi (1,777.30 km) |
| Romanshorn to Mariehamn | 964.90 mi (1,552.85 km) |
| Romanshorn to Masku | 1,032.59 mi (1,661.79 km) |
