| Porvoo to Leopoldsburg | 1,012.76 mi (1,629.89 km) |
| Porvoo to Lessines | 1,075.28 mi (1,730.49 km) |
| Porvoo to Leuven | 1,041.03 mi (1,675.38 km) |
| Porvoo to Lichtervelde | 1,080.68 mi (1,739.19 km) |
| Porvoo to Liedekerke | 1,060.25 mi (1,706.30 km) |
| Porvoo to Liege | 1,028.01 mi (1,654.42 km) |
| Porvoo to Lierre | 1,032.42 mi (1,661.51 km) |
| Porvoo to Lille | 1,019.45 mi (1,640.65 km) |
| Porvoo to Lint | 1,035.74 mi (1,666.86 km) |
| Porvoo to Lochristi | 1,056.13 mi (1,699.67 km) |
| Porvoo to Lokeren | 1,051.60 mi (1,692.38 km) |
| Porvoo to Lommel | 1,005.08 mi (1,617.53 km) |
| Porvoo to Londerzeel | 1,047.07 mi (1,685.10 km) |
| Porvoo to Louvain-la-Neuve | 1,057.96 mi (1,702.63 km) |
| Porvoo to Lovendegem | 1,063.19 mi (1,711.05 km) |
