| Penarth to Kopavogur | 1,106.70 mi (1,781.07 km) |
| Penarth to Reykjavik | 1,109.08 mi (1,784.89 km) |
| Penarth to Saudharkrokur | 1,145.34 mi (1,843.25 km) |
| Penarth to Selfoss | 1,078.41 mi (1,735.53 km) |
| Penarth to An Cabhan | 249.07 mi (400.83 km) |
| Penarth to Arklow | 158.19 mi (254.59 km) |
| Penarth to Ashtown | 189.28 mi (304.62 km) |
| Penarth to Athy | 194.29 mi (312.67 km) |
| Penarth to Baile Atha Luain | 243.65 mi (392.11 km) |
| Penarth to Ballincollig | 234.37 mi (377.18 km) |
| Penarth to Blackrock | 181.14 mi (291.52 km) |
| Penarth to Carlow | 186.57 mi (300.25 km) |
| Penarth to Carrick on Shannon | 269.56 mi (433.81 km) |
| Penarth to Carrigaline | 225.47 mi (362.86 km) |
| Penarth to Castlebar | 306.79 mi (493.73 km) |
