| Sumner to Lapua | 4,588.47 mi (7,384.43 km) |
| Sumner to Laukaa | 4,661.19 mi (7,501.46 km) |
| Sumner to Lauritsala | 4,775.63 mi (7,685.64 km) |
| Sumner to Lempaala | 4,702.31 mi (7,567.63 km) |
| Sumner to Leppavirta | 4,678.54 mi (7,529.39 km) |
| Sumner to Lieksa | 4,650.15 mi (7,483.69 km) |
| Sumner to Lieto | 4,735.46 mi (7,620.99 km) |
| Sumner to Liminka | 4,502.86 mi (7,246.66 km) |
| Sumner to Liperi | 4,694.06 mi (7,554.35 km) |
| Sumner to Lohja | 4,773.99 mi (7,682.99 km) |
| Sumner to Loimaa | 4,722.14 mi (7,599.54 km) |
| Sumner to Loviisa | 4,789.74 mi (7,708.34 km) |
| Sumner to Mantsala | 4,766.60 mi (7,671.11 km) |
| Sumner to Mariehamn | 4,722.86 mi (7,600.72 km) |
| Sumner to Masku | 4,726.00 mi (7,605.75 km) |
