| Cities | Distance |
|---|
| Porsgrunn to Naas | 747.36 mi (1,202.77 km) |
| Porsgrunn to Navan | 728.98 mi (1,173.18 km) |
| Porsgrunn to Nenagh | 812.04 mi (1,306.86 km) |
| Porsgrunn to Palmerston | 732.29 mi (1,178.51 km) |
| Porsgrunn to Port Laoise | 775.77 mi (1,248.48 km) |
| Porsgrunn to Rath To | 728.20 mi (1,171.92 km) |
| Porsgrunn to Rathfarnham | 731.56 mi (1,177.33 km) |
| Porsgrunn to Ros Comain | 778.95 mi (1,253.61 km) |
| Porsgrunn to Rush | 715.53 mi (1,151.53 km) |
| Porsgrunn to Shannon | 840.25 mi (1,352.25 km) |
| Porsgrunn to Sligo | 764.01 mi (1,229.55 km) |
| Porsgrunn to Swords | 722.36 mi (1,162.53 km) |
| Porsgrunn to Tallaght | 734.29 mi (1,181.73 km) |
| Porsgrunn to Tralee | 886.72 mi (1,427.04 km) |
| Porsgrunn to Tramore | 810.63 mi (1,304.58 km) |
