| Didcot to Punta Gorda (Florida) | 4,401.62 mi (7,083.72 km) |
| Didcot to Puyallup (Washington) | 4,772.62 mi (7,680.80 km) |
| Didcot to Queen Creek (Arizona) | 5,222.90 mi (8,405.45 km) |
| Didcot to Queens (New York) | 3,403.46 mi (5,477.34 km) |
| Didcot to Quincy (Illinois) | 4,136.73 mi (6,657.42 km) |
| Didcot to Quincy (Massachusetts) | 3,226.28 mi (5,192.20 km) |
| Didcot to Raceland (Louisiana) | 4,613.68 mi (7,425.01 km) |
| Didcot to Racine (Wisconsin) | 3,869.84 mi (6,227.90 km) |
| Didcot to Radcliff (Kentucky) | 4,025.93 mi (6,479.10 km) |
| Didcot to Radford (Virginia) | 3,842.33 mi (6,183.64 km) |
| Didcot to Rahway (New Jersey) | 3,429.36 mi (5,519.02 km) |
| Didcot to Raleigh (North Carolina) | 3,823.90 mi (6,153.97 km) |
| Didcot to Ramona (California) | 5,412.47 mi (8,710.53 km) |
| Didcot to Ramsey (Minnesota) | 3,960.74 mi (6,374.19 km) |
| Didcot to Ramsey (New Jersey) | 3,404.35 mi (5,478.78 km) |
