| Isernia to Paimio | 1,350.53 mi (2,173.47 km) |
| Isernia to Pargas | 1,336.31 mi (2,150.59 km) |
| Isernia to Pedersore | 1,561.91 mi (2,513.65 km) |
| Isernia to Pieksamaki | 1,525.19 mi (2,454.55 km) |
| Isernia to Pirkkala | 1,427.41 mi (2,297.19 km) |
| Isernia to Pori | 1,409.29 mi (2,268.04 km) |
| Isernia to Porvoo | 1,385.51 mi (2,229.76 km) |
| Isernia to Poytya | 1,366.85 mi (2,199.74 km) |
| Isernia to Raahe | 1,645.25 mi (2,647.78 km) |
| Isernia to Raisio | 1,347.11 mi (2,167.96 km) |
| Isernia to Raseborg | 1,328.44 mi (2,137.92 km) |
| Isernia to Rauma | 1,383.29 mi (2,226.20 km) |
| Isernia to Riihimaki | 1,394.21 mi (2,243.76 km) |
| Isernia to Rovaniemi | 1,775.62 mi (2,857.59 km) |
| Isernia to Saaminki | 1,525.61 mi (2,455.23 km) |
