| Ottawa to Lapua | 4,318.62 mi (6,950.15 km) |
| Ottawa to Laukaa | 4,414.91 mi (7,105.11 km) |
| Ottawa to Lauritsala | 4,533.17 mi (7,295.44 km) |
| Ottawa to Lempaala | 4,408.91 mi (7,095.45 km) |
| Ottawa to Leppavirta | 4,455.60 mi (7,170.60 km) |
| Ottawa to Lieksa | 4,468.60 mi (7,191.51 km) |
| Ottawa to Lieto | 4,410.61 mi (7,098.20 km) |
| Ottawa to Liminka | 4,296.21 mi (6,914.09 km) |
| Ottawa to Liperi | 4,491.15 mi (7,227.81 km) |
| Ottawa to Lohja | 4,464.24 mi (7,184.50 km) |
| Ottawa to Loimaa | 4,411.43 mi (7,099.50 km) |
| Ottawa to Loviisa | 4,510.89 mi (7,259.58 km) |
| Ottawa to Mantsala | 4,479.50 mi (7,209.06 km) |
| Ottawa to Mariehamn | 4,359.72 mi (7,016.29 km) |
| Ottawa to Masku | 4,398.28 mi (7,078.34 km) |
