| South Portland to Kloten | 3,657.15 mi (5,885.61 km) |
| South Portland to Koniz | 3,623.85 mi (5,832.03 km) |
| South Portland to Kreuzlingen | 3,675.56 mi (5,915.24 km) |
| South Portland to Kriens | 3,657.79 mi (5,886.64 km) |
| South Portland to Kusnacht | 3,661.36 mi (5,892.38 km) |
| South Portland to Kussnacht | 3,663.00 mi (5,895.04 km) |
| South Portland to La Chaux-de-Fonds | 3,594.44 mi (5,784.69 km) |
| South Portland to La Tour-de-Peilz | 3,616.43 mi (5,820.08 km) |
| South Portland to Lachen | 3,676.70 mi (5,917.07 km) |
| South Portland to Landecy | 3,592.82 mi (5,782.09 km) |
| South Portland to Landquart | 3,712.76 mi (5,975.12 km) |
| South Portland to Langenthal | 3,631.09 mi (5,843.67 km) |
| South Portland to Langnau | 3,639.74 mi (5,857.59 km) |
| South Portland to Lausanne | 3,604.35 mi (5,800.65 km) |
| South Portland to Le Grand-Saconnex | 3,591.27 mi (5,779.59 km) |
