| Dubuque to Lormont | 4,258.87 mi (6,853.99 km) |
| Dubuque to Loudeac | 4,048.83 mi (6,515.96 km) |
| Dubuque to Lourdes | 4,346.82 mi (6,995.52 km) |
| Dubuque to Louviers | 4,164.77 mi (6,702.54 km) |
| Dubuque to Louvres | 4,222.27 mi (6,795.08 km) |
| Dubuque to Luce | 4,204.91 mi (6,767.15 km) |
| Dubuque to Lucon | 4,174.08 mi (6,717.53 km) |
| Dubuque to Lunel | 4,495.75 mi (7,235.20 km) |
| Dubuque to Luneville | 4,390.55 mi (7,065.90 km) |
| Dubuque to Lyon | 4,439.93 mi (7,145.37 km) |
| Dubuque to Lys-les-Lannoy | 4,188.29 mi (6,740.40 km) |
| Dubuque to Macon | 4,417.75 mi (7,109.69 km) |
| Dubuque to Magny-le-Hongre | 4,240.80 mi (6,824.90 km) |
| Dubuque to Magny-les-Hameaux | 4,218.13 mi (6,788.42 km) |
| Dubuque to Mainvilliers | 4,204.24 mi (6,766.07 km) |
