| South Portland to Grantham | 3,136.42 mi (5,047.57 km) |
| South Portland to Gravesend | 3,209.35 mi (5,164.94 km) |
| South Portland to Grays | 3,207.01 mi (5,161.18 km) |
| South Portland to Greasley | 3,109.21 mi (5,003.79 km) |
| South Portland to Great Baddow | 3,208.56 mi (5,163.68 km) |
| South Portland to Great Bookham | 3,182.93 mi (5,122.43 km) |
| South Portland to Great Cornard | 3,211.34 mi (5,168.16 km) |
| South Portland to Great Driffield | 3,122.13 mi (5,024.59 km) |
| South Portland to Great Dunmow | 3,199.19 mi (5,148.59 km) |
| South Portland to Great Harwood | 3,049.31 mi (4,907.40 km) |
| South Portland to Great Linford | 3,149.49 mi (5,068.62 km) |
| South Portland to Great Missenden | 3,159.73 mi (5,085.10 km) |
| South Portland to Great Sankey | 3,047.63 mi (4,904.68 km) |
| South Portland to Great Wyrley | 3,086.99 mi (4,968.03 km) |
| South Portland to Great Yarmouth | 3,237.11 mi (5,209.62 km) |
