| Upper Grand Lagoon to Nowy Dwor Mazowiecki | 5,222.12 mi (8,404.19 km) |
| Upper Grand Lagoon to Nowy Sacz | 5,322.56 mi (8,565.83 km) |
| Upper Grand Lagoon to Nowy Targ | 5,302.21 mi (8,533.08 km) |
| Upper Grand Lagoon to Nowy Tomysl | 5,057.85 mi (8,139.83 km) |
| Upper Grand Lagoon to Nysa | 5,164.26 mi (8,311.07 km) |
| Upper Grand Lagoon to Oborniki | 5,072.37 mi (8,163.20 km) |
| Upper Grand Lagoon to Oborniki Slaskie | 5,120.11 mi (8,240.02 km) |
| Upper Grand Lagoon to Olawa | 5,147.43 mi (8,283.98 km) |
| Upper Grand Lagoon to Olecko | 5,227.05 mi (8,412.12 km) |
| Upper Grand Lagoon to Olesnica | 5,141.64 mi (8,274.66 km) |
| Upper Grand Lagoon to Olesno | 5,191.77 mi (8,355.35 km) |
| Upper Grand Lagoon to Olkusz | 5,255.97 mi (8,458.67 km) |
| Upper Grand Lagoon to Olsztyn | 5,165.98 mi (8,313.85 km) |
| Upper Grand Lagoon to Opalenica | 5,068.60 mi (8,157.12 km) |
| Upper Grand Lagoon to Opoczno | 5,244.10 mi (8,439.57 km) |
