| Harrow to Kopavogur | 1,162.33 mi (1,870.59 km) |
| Harrow to Reykjavik | 1,164.58 mi (1,874.22 km) |
| Harrow to Saudharkrokur | 1,188.50 mi (1,912.70 km) |
| Harrow to Selfoss | 1,133.16 mi (1,823.64 km) |
| Harrow to An Cabhan | 336.77 mi (541.98 km) |
| Harrow to Arklow | 260.18 mi (418.72 km) |
| Harrow to Ashtown | 280.56 mi (451.52 km) |
| Harrow to Athy | 296.92 mi (477.84 km) |
| Harrow to Baile Atha Luain | 343.63 mi (553.01 km) |
| Harrow to Ballincollig | 353.14 mi (568.32 km) |
| Harrow to Blackrock | 272.67 mi (438.81 km) |
| Harrow to Carlow | 291.71 mi (469.47 km) |
| Harrow to Carrick on Shannon | 362.43 mi (583.27 km) |
| Harrow to Carrigaline | 344.67 mi (554.69 km) |
| Harrow to Castlebar | 405.98 mi (653.36 km) |
