| Dubuque to Lapua | 4,294.69 mi (6,911.63 km) |
| Dubuque to Laukaa | 4,389.88 mi (7,064.84 km) |
| Dubuque to Lauritsala | 4,508.73 mi (7,256.10 km) |
| Dubuque to Lempaala | 4,387.49 mi (7,060.98 km) |
| Dubuque to Leppavirta | 4,429.09 mi (7,127.93 km) |
| Dubuque to Lieksa | 4,439.02 mi (7,143.92 km) |
| Dubuque to Lieto | 4,391.67 mi (7,067.72 km) |
| Dubuque to Liminka | 4,267.24 mi (6,867.46 km) |
| Dubuque to Liperi | 4,463.37 mi (7,183.10 km) |
| Dubuque to Lohja | 4,444.52 mi (7,152.76 km) |
| Dubuque to Loimaa | 4,391.38 mi (7,067.25 km) |
| Dubuque to Loviisa | 4,489.10 mi (7,224.51 km) |
| Dubuque to Mantsala | 4,458.12 mi (7,174.65 km) |
| Dubuque to Mariehamn | 4,343.42 mi (6,990.06 km) |
| Dubuque to Masku | 4,379.47 mi (7,048.08 km) |
